Patients with a cast or splint are entirely immobilised for 4 to six months, then partly immobilised for an additional 4 weeks. Actual physical Therapy: Rehabilitation exercise routines are important to regain strength, versatility, and choice of motion in the arm. A B C D E F G H I https://www.theorthopaedicandpainpractice.com/what-is-a-proximal-humeral-fracture/